Katie from Horton Hears a Who!
Katie is a cute yellow yak. She continuously opens her mouth, revealing her sharp teeth. She often does strange things, including making sounds, walking backwards, sitting backwards, and saying weird things. Quotes from the movie are:
Her describing her version of a clover world: "In my world, everyone's a pony, and they all eat rainbows and poop butterflies." -Whaaaaaaaaaaaaa *backs up into grass*. ~ Katie
Katie was not in the "Horton Hears A Who" book.